OpenFacet – Blog
From Market Depth to Market Scarcity: Estimating How Hard a Diamond Is to Find
Oct 18, 2026
OpenFacet introduces estimated relative market scarcity: a modeled view of diamond findability that develops our earlier listing-depth snapshot.
Natural Round Melee & Pointer Price List
Sep 12, 2026
OpenFacet adds a public price reference for natural round melee and pointer diamonds (0.01-0.29 ct): why parcels price differently and what the new list covers.
Giving AI Access to Live Diamond Prices with OpenFacet MCP
Aug 30, 2026
If you ask an AI assistant what a specific diamond is worth today, it normally just guesses. Here is how our live MCP server fixes that, how it works, and why it matters.
Exact Weight Pricing: Breaking Free from Legacy Weight Brackets
Apr 21, 2026
An explanation of why OpenFacet calculates and displays a unique per-carat price for every single microscopic difference in diamond weight, moving beyond traditional weight brackets.
Depth vs Ratio: Why Ratio is a Better Indicator for Fancy Shapes
Apr 18, 2026
An explanation of why ratio is a more reliable benchmark than total depth % for fancy-shaped diamonds, and why depth was intentionally left out of the OpenFacet dashboard.
Opting for Pure Data Over Rules of Thumb
Jul 25, 2025
OpenFacet’s study on diamond pricing evaluates Rule of Thumb (ROT) adjustments against real retail market data, prioritizing transparent, data-driven benchmarks over synthetic corrections for accurate and reliable valuation.
Rational Prices, Irrational Buyers: Modeling Behavioral Distortions in Diamond Valuation
Jun 21, 2025
Diamond pricing deviates predictably from physical value due to cognitive biases. OpenFacet applies selective, empirically tuned corrections that reflect observed market asymmetries while preserving underlying model structure.
OpenFacet's Transparent Diamond Pricing: A Framework Grounded in Strategic Analysis
Jun 1, 2025
A replicable diamond pricing model built on structured retail data, designed in response to academic research on inefficiencies in traditional valuation systems.